How to draw line with width at my will

Question

Dear frineds:
I have following code to draw lines, but I was required:
[1]. draw this line with some required width such as 0.2 or 0.9 or any width at my will
[2]. each line after I draw, when I use mouse to click on it, it will be selected and then I can delete it,
Please advice how to do it or any good example??
Thanks
sunny
package com.draw;
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
public class DrawingArea extends JPanel
     Vector angledLines;
     Point startPoint = null;
     Point endPoint = null;
     Graphics g;
     public DrawingArea()
          angledLines = new Vector();
          setPreferredSize(new Dimension(500,500));
          MyMouseListener ml = new MyMouseListener();
          addMouseListener(ml);
          addMouseMotionListener(ml);
          setBackground(Color.white);
     public void paintComponent(Graphics g)
          // automatically called when repaint
          super.paintComponent(g);
          g.setColor(Color.black);
          g.setFont(getFont());
          AngledLine line;
          if (startPoint != null && endPoint != null)
               // draw the current dragged line
               g.drawLine(startPoint.x, startPoint.y, endPoint.x,endPoint.y);
          for (Enumeration e = angledLines.elements(); e.hasMoreElements();)
               // draw all the angled lines
               line = (AngledLine)e.nextElement();
               g.drawPolyline(line.xPoints, line.yPoints, line.n);
     class MyMouseListener extends MouseInputAdapter
          public void mousePressed(MouseEvent e)
               if (SwingUtilities.isLeftMouseButton(e))
                    startPoint = e.getPoint();
          public void mouseReleased(MouseEvent e)
               if (SwingUtilities.isLeftMouseButton(e))
                    if (startPoint != null)
                         AngledLine line = new AngledLine(startPoint, e.getPoint(), true);
                         angledLines.add(line);
                         startPoint = null;
                         repaint();
          public void mouseDragged(MouseEvent e)
               if (SwingUtilities.isLeftMouseButton(e))
                    if (startPoint != null)
                         endPoint = e.getPoint();
                         repaint();
          public void mouseClicked( MouseEvent e )
               if (g == null)
                    g = getGraphics();
               g.drawRect(10,10,20,20);
     class AngledLine
          // inner class for angled lines
          public int[] xPoints, yPoints;
          public int n = 2;
          public AngledLine(Point startPoint, Point endPoint, boolean left)
               xPoints = new int[n];
               yPoints = new int[n];
               xPoints[0] = startPoint.x;
               xPoints[1] = endPoint.x;
               yPoints[0] = startPoint.y;
               yPoints[1] = endPoint.y;
               /*if (left)
                    xPoints[1] = startPoint.x;
                    yPoints[1] = endPoint.y;
               else
                    xPoints[1] = endPoint.x;
                    yPoints[1] = startPoint.y;
     public static void main(String[] args)
          JFrame frame = new JFrame("Test angled lines");
          frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
          DrawingArea d = new DrawingArea();
          frame.getContentPane().add( d );
          frame.pack();
          frame.setVisible(true);
}Message was edited by:
sunnymanman

Answer 1

sonudevgan wrote:
dear piz tell me how i can read integer from user my email id is [email protected]
foolish, foolish question